Effect of resistance training to muscle failure vs non-failure on strength, hypertrophy and muscle architecture in trained individuals

Effect of resistance training to muscle failure vs non-failure on strength, hypertrophy and muscle architecture in trained individuals

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The aim of this study was to compare the effects of resistance training to muscle failure (RT-F) and non-failure (RT-NF) on muscle mass, strength and activation of trained individuals.We also compared the effects of these Incense protocols on muscle architecture parameters.A within-subjects design was used in which 14 participants had one leg randomly assigned to RT-F and the other to RT-NF.Each leg was trained 2 days per week for 10 weeks.

Vastus lateralis (VL) muscle cross-sectional area (CSA), pennation angle (PA), fascicle length (FL) and 1-repetition maximum (1-RM) were assessed at baseline (Pre) and after 20 sessions (Post).The electromyographic signal (EMG) was assessed after the training period.RT-F and RT-NF protocols showed significant and similar increases in CSA (RT-F: 13.5% and RT-NF: 18.

1%; P < 0.0001), PA (RT-F: 13.7% and RT-NF: 14.4%; P < 0.

0001) and FL (RT-F: 11.8% and RT-NF: 8.6%; P < 0.0001).

All protocols showed significant and similar increases in leg press (RT-F: 22.3% and RT-NF: 26.7%; P < 0.0001) and leg extension (RT-F: 33.

3%, P < 0.0001 and RT-NF: Kratom Gummies 33.7%; P  0.05).

In conclusion, RT-F and RT-NF are similarly effective in promoting increases in muscle mass, PA, FL, strength and activation.